1.

Find the value of (14.7 X 15.3)

Answer»

( 14.7 ) × ( 15.3 )


=> ( 15 - 0.3 )² × ( 15 + 0.3 )


We KNOW, ( a - B ) ( a + b ) = a² - b²


=> 15² - 0.3²

=> 225 - 0.09

=> 224.91



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